2025 Audi A3 1.5 TFSI S Line

Price: £25,990. Fair price: £1,805 (7%) over the AskCar estimate of £24,185, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.

AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: 1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2025
  • Mileage: 28,697 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Audi A3 S Line has covered 28,697 miles, around 20,200 more miles than is typical for its age. Its asking price of £25,990 is £1,805 above the AskCar estimate of £24,185. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 13 days ago, and its asking price has since fallen by £500. The seller is Stratstone Milton Keynes Audi, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,805 (7%) over the AskCar estimate of £24,185.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2025 Audi A3 with the 1.5 petrol engine is typically advertised at £26,800: the median of the 472 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2025 Audi A3 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £26,490. Its asking price is now £25,990, £500 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

  • 20 October 2026: £26,490
  • 26 October 2026: £25,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 20,200 miles higher than the median mileage of a 2025 Audi A3 on AskCar.

Similar cars

38 other 2025 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £19,990 to £31,461, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2025 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 23,892 miles. Price: £24,407, £1,583 less than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2025-d290f7146f85
  • 2025 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 23,068 miles. Price: £27,950, £1,960 more than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/audi-a3-2025-76d80ab6c540
  • 2025 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 21,547 miles. Price: £30,995, £5,005 more than this car. Dealer: John Clark Motor Group in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-2025-014e09422085
  • The nearest: 2025 Audi A3 S Line, 1.5 petrol saloon, black, 11 miles from this car. Mileage: 6,470 miles. Price: £26,404, £414 more than this car. Dealer: Vindis Group Bedford Audi in Bedford. AskCar page: https://askcar.co.uk/car/audi-a3-2025-857842ab7f08

Browse all Audi A3 cars for sale · 2025 Audi A3 price guide

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Photos

38 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.